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在大米-大菜作物系统中,硬质菌介导的土壤微生物组调节

Mirza Abid Mehmood^1,2, Jianguang Wang³, Jiasen Cheng^1,2

¹The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.

Journal of fungi (Basel, Switzerland)

|October 28, 2025

概括

里索克托尼亚·索拉尼和斯克莱罗提尼亚·斯克莱罗蒂诺改变了土壤微生物群落. 斯克莱罗蒂尼亚斯克莱罗蒂乌姆降低了土壤注射液压力,而Rhizoctonia solani则激活了有益的和致病的微生物,需要调整作物旋转.

科学领域:

农业科学农业科学
微生物学微生物学
土壤科学土壤科学

背景情况:

里索克托尼亚·索拉尼 (Rs) 和斯克莱罗提尼亚·斯克莱罗提勒 (Ss) 导致大米和大麻的产量大幅下降.
这些病原体形成了弹性硬化菌,在随后的季节作为感染源.
了解硬化菌对土壤微生物群落的影响对于作物管理至关重要.

研究的目的:

为了研究与RS和Ss硬化菌混合的土壤中每月微生物多样性的变化.
确定与特定硬化菌相关的关键微生物参与者.
评估硬化菌对后续作物健康的影响.

主要方法:

在土壤中化RS和Sss硬化菌3个月以模拟田间条件.
每个月采用16S rRNA和ITS2测序进行土壤采样和分析.
细菌和真菌社区多样性,丰富性和均性的生物信息分析.

主要成果:

与对照组相比,SS处理的土壤显示细菌多样性,丰富性和均性增加.
在经过处理的土壤中,真菌群体的多样性减少.
特定的有益细菌和真菌系在Ss和Rs处理的土壤中得到了丰富.
经过RS处理的土壤也显示了致病性属的增加,如Typhula,Fusarium和Rhizoctonia.

结论:

土壤硬化菌调节微生物群,激活有益和致病微生物.
斯克莱罗蒂尼亚 (Sclerotinia sclerotiorum) 在季外降低了注射液压力,使后续作物更安全.
受到Rhizoctonia solani感染的土壤需要仔细选择作物,以避免因病原体风险增加而易受作物的作物.

关键词:

种植系统的作物系统.微生物多样性的微生物多样性过度度过夏的情况在冬季过冬.硬化组织硬化组织

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